Mozilla Firefox and Thunderbird before 1.5.0.4 strip the Unicode Byte-order-Mark (BOM) from a UTF-8 page before the page is passed to the…

Description

Mozilla Firefox and Thunderbird before 1.5.0.4 strip the Unicode Byte-order-Mark (BOM) from a UTF-8 page before the page is passed to the parser, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a BOM sequence in the middle of a dangerous tag such as SCRIPT.

Scores

EPSS (exploitation in 30 days)

1.7% · top 23% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Weakness

• n/a
• CWE-79 (opens in a new tab)All about CWE-79 and its CVEs

Affected products

• n/a

  • affected n/a

References (58)

• 20709 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 21176 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• MDKSA-2006:145 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• ADV-2006-3748 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• USN-297-3 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• USN-296-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• USN-323-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• 20561 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• APPLE-SA-2009-06-08-1 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• 21210 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• RHSA-2006:0594 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• 21336 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 20382 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 1016214 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• 20060602 rPSA-2006-0091-1 firefox thunderbird (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• ADV-2006-3749 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• ADV-2009-1522 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• RHSA-2006:0610 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• 20376 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• MDKSA-2006:146 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• RHSA-2006:0609 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• 21178 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 1016202 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• 21607 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 18228 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• 21532 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 21270 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2008-0083 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• 21188 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 21134 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 21631 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• SSRT061181 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• SSRT061236 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• 35379 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• USN-296-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• GLSA-200606-21 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• DSA-1118 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• DSA-1120 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• RHSA-2006:0611 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• mozilla-bom-utf8-xss(26852) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• APPLE-SA-2008-07-11 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• DSA-1134 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• GLSA-200606-12 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• oval:org.mitre.oval:def:10772 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• 21324 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 21183 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2008-2094 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• 22066 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 21269 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• SUSE-SA:2006:035 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• http://support.apple.com/kb/HT3613 (opens in a new tab)x_refsource_CONFIRMx_transferred
• USN-297-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• RHSA-2006:0578 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• ADV-2006-2106 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• MDKSA-2006:143 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• http://www.mozilla.org/security/announce/2006/mfsa2006-42.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• 22065 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 31074 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2006-2783](https://trackcve.app/badge/CVE-2006-2783.svg)](https://trackcve.app/cve/CVE-2006-2783)

Record last updated 7 Aug 2024, 18:06 UTC.